In a Six Month Study of Elders Living in Philadelphia

In a six month study of elders living in Philadelphia

A) those with an optimistic explanatory style showed fewer symptoms of depression.
B) those with a pessimistic explanatory style showed fewer symptoms of depression if a negative event occurred in the six month period.
C) those with an optimistic explanatory style showed fewer symptoms of depression if a negative event occurred in the six month period.
D) optimists and pessimists displayed an equal number of symptoms of depression if a negative event occurred in the six month period